Winnebago is America's motor home that is assembled in a 400,000 square foot factory in Forest City, Iowa. Inside and out, every inch of a Winnebago is carefully crafted and designed on a 1000 foot assembly line for life on the road. Their newest cross-country colossus: The Vectra. Four hundred square feet of movable mansion, it's an RV revolution able to cruise up to seventy-five miles an hour on the highway.

Heineken

Step behind the scenes at Europe's largest brewery, the home of Heineken, in Zoeterwoude, the Netherlands. This ultimate brewery is becoming one of the greenest in the world, with a biogas-producing power plant and a new shipping hub that saves 100,000 truck trips per year. We meet the beer experts and enthusiasts who make the 150 year-old recipe and ship it out fresh every day.

Watch the Previews

At the Peterbilt factory in Texas, workers are busy building Model 387 trucks made to pull vehicles weighing up to 36 tons. In this Ultimate Factories episode, viewers see the ultimate test of strength as giant robotic arms, capable of lifting more than 17,000 pounds, lift an entire truck chassis. With its mechanical brute strength and human creativity, Peterbilt brings this ultimate truck from factory floor to the road.

The Anheuser-Busch factory brews more beer than any other factory. To meet the daunting task of making every drop taste like the perfect Budweiser, Anheuser-Busch has used the same yeast strain since 1876. Crucial to its flavor, this secret ingredient is kept under lock and key at the 100-acre brewery. What are the steps, secrets and science behind their legendary concoction? Ultimate Factories provides answers when it enters the castle of "The King of Beers" at the Budweiser factory in St. Louis, Mo.

How do you build a two-story mining truck that's the biggest in the world? It requires a specialized factory in Decatur, Illinois, where everything is supersized -- from the plasma cutters and weld guns to the torque tools and hand wrenches. Imagine installing a 12-foot wheel or an engine bigger than a car. From basic blue print to the completed mega truck, we'll follow the building of CAT's most colossal creation.

About Ultimate Factories

Step inside the world's most impressive industrial sites as this fascinating series explores the manufacturing stories behind the world's best-known brands. Exploring all aspects of product creation from the factory floor to the design studio, Ultimate Factories lifts the lid on some of the most forward-thinking production plants on the planet. From the internationally known household name Ikea to the American icon Harley-Davidson, Ultimate Factories gives you an inside look at how it all happens.